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Completed - CHG0101257 - Frequency Performance Payments Release
Notification issued to: Market Notice
Notification Type: Completed
Change Type: Normal
Service/Component: Frequency Performance Payments Engine
Change Title: Frequency Performance Payments Release
Support Information: Report any impacts to the AEMO Information and Support Hub or on External 1300 236 600.
CHG0102031 - Roll out of TLS 1.3 support for Gas B2B Hub and disable TLS versions 1.0/1.1
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Gas Hub
Change Title: Roll out of TLS 1.3 support for Gas B2B Hub and disable TLS versions 1.0/1.1
Change Start Date & Time: 10/04/2025 10:00:00
Change End Date & Time: 10/04/2025 17:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Pre-Production
Participant Impact and Requirements: The Gas B2B hub servers will be updated to support TLS (Transport Layer Security) 1.3 version. Also the legacy versions 1.0 and 1.1 will be disabled and not be supported going forward. Participants are required to use TLS 1.2 as a minimum protocol to communicate with AEMO, failing to do so will impact the connectivity. An outage is not expected but, there may be some minor interruptions during the change period.
Participants are required to make sure the connectivity is intact post change implementation. Incase noticed any issues, please reach out to AEMO Support Hub.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities .
Cancelled - CHG0102167 - Planned Maintenance to NSW Marketnet Site to Site VPN Router
Notification issued to: Market Notice
Notification Type: Cancelled
Change Type: Normal
Service/ Component: Local Area Network
Change Title: Planned Maintenance to NSW Marketnet Site to Site VPN Router
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities .
NON-CONFORMANCE Region QLD1 Tuesday, 25 March 2025
NON-CONFORMANCE QLD1 Region Tuesday, 25 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_1
Duration: 25/03/2025 14:55 to 25/03/2025 15:45
Amount: -55 MW
Constraint: NC-Q_MPP_1
Auto-generated on behalf of Manager NEM Real Time Operations
NON-CONFORMANCE Region QLD1 Monday, 24 March 2025
NON-CONFORMANCE QLD1 Region Monday, 24 March 2025
AEMO has declared the following unit as non-conforming under clause 3.8.23 of the National Electricity Rules:
Unit: MPP_2
Duration: 24/03/2025 22:10 to 24/03/2025 23:30
Amount: -41 MW
Constraint: NC-Q_MPP_2
Auto-generated on behalf of Manager NEM Real Time Operations
[EventId:202503241815_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 24 March 2025 18:15
Issued by Australian Energy Market Operator Ltd at 1815 hrs on 24 March 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 24 March 2025.
Refer to market notice: 125915
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1815 hrs on 24 March 2025.
This is an AEMO autogenerated Market Notice.
[EventId:202503241715_NRM_NSW1_VIC1_started] NEGRES CONSTRAINT NRM_NSW1_VIC1 started operating from 24 March 2025 17:15
Issued by Australian Energy Market Operator Ltd at 1715 hrs on 24 March 2025
ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 24 March 2025.
Electricity Market outcomes have resulted in the accumulation of negative settlement residues that have exceeded the allowable negative residue threshold for the NSW to VIC directional interconnector.
The negative residue constraint set NRM_NSW1_VIC1 commenced operating from 1715 hrs on 24 March 2025.
This constraint set contains an equation with the following interconnectors on the LHS:
VIC1-NSW1
The RHS of the constraint equation may be adjusted to manage residues.
This is an AEMO autogenerated Market Notice.
CHG0102167 - Planned Maintenance to NSW Marketnet Site to Site VPN Router
Notification issued to: Market Notice
Notification Type: Initial
Change Type: Normal
Service/ Component: Local Area Network
Change Title: Planned Maintenance to NSW Marketnet Site to Site VPN Router
Change Start Date & Time: 29/03/2025 09:00:00
Change End Date & Time: 29/03/2025 17:00:00
Outage Start Date & Time:
Outage End Date & Time:
Environment: Production
Participant Impact and Requirements: The following impacts are expected to participant connectivity during this planned maintenance:
IPWAN Participants - Nil
Lan-2-Lan VPN Participants (IPSEC) - Up to 2 hour outage for participants who have established their VPN connection/s via the AEMO NSW datacenter termination point (202.44.78.10 for Policy Based VPN's or 202.44.78.12 for Route Based VPN) only - All L2L connections should be established to both QLD / NSW.
Note: Participants are encouraged to ensure their VPN connections are already established or are configured (as per AEMO best practice) to automatically failover to the alternate AEMO QLD datacenter termination point (202.44.76.10 or 202.44.76.12) prior to this scheduled outage. *** Failure to do so will impact connectivity to Marketnet Services ***.
B2B VPN - Nil
SSL VPN Participants: Nil
GASHUB: Nil
Other Impacts will have been communicated in advance.
Support Information:
Report any impacts to the AEMO Information and Support Hub or call 1300 236 600.
Please refer to https://aemo.service-now.com/participantportal?id=pp_services_status for any planned/unplanned maintenance activities .
[EventId:202503221845_NRM_NSW1_VIC1_stopped] NEGRES CONSTRAINT NRM_NSW1_VIC1 ceased operating from 22 March 2025 18:45
Issued by Australian Energy Market Operator Ltd at 1845 hrs on 22 March 2025
CANCELLATION - ACTUAL NEGATIVE SETTLEMENT RESIDUES - NSW to VIC - 22 March 2025.
Refer to market notice: 125879
AEMO has ceased taking action to minimize the further accumulation of negative settlement residues on the NSW to VIC directional interconnector.
The negative residue constraint NRM_NSW1_VIC1 ceased operating at 1845 hrs on 22 March 2025.
This is an AEMO autogenerated Market Notice.